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100-15=85 85/100 x 140 = 11900/100 = £ 119

=4x^2+12x+9

1.      One theory of motivation is that suggested by Taylor, which asserts that employees are not motivated by anything but their remuneration. This can be applied through the introduction of a piece rat...

The first thing to do in any calculations question is to list out what you have, and what the question is asking you. In this case, the question wants pH, which is -log[H+]. So what we need is [H+]. We ha...

The first step that needs to be taken is to get rid of the square root from the denominator. This can be done by multiplying the top and bottom of the fraction by 2 + sqrt(3). This gives (10 + 5sqrt(3...